The line graph illustrates the proportion of individuals at many ages in the same city who attended at music shows from 2010 to 2015.
Overall, people at the age of 25 to 44 made a significant contribution to the rate of audiences in music concerts in 2010. It is noticeable that people at the age of 55-64 showed a downward trend in percentages.
Looking in the line chart for more detail, the percentage of people from 25 to 44 years old was the highest at the start with more than a half in 2010 then it hit a low with nearly 40% in one year later. In the next year, it witnessed an increase back to 50% and continued to increase to about 52% in 2015. Regarding people at the age of 16 to 24, the proportion of them was more than a third at the start and it increased to about 55% in 2011, then it grew gradually to more than two thirds in the next 4 years.
Moreover, there was a resemblance between the figure for 45 to 54 year olds people and the other ones who are in the age of 16 to 24 in 2010. The percentage of 45 to 54 year olds people showed a downward trend and reached the lowest point to more than a quarter in 2 years, then it experienced an increase to nearly 50% in 2015. The figure for 55 to 64 year olds audiences was 25% in 2010, slightly increased to nearly 30% in 2012 then dropped to 22% in 2015.The rate of people over than 70 year olds was around 10% at the start, reached the highest point in 2011 with 20%,witnessed a downward trend back to 10% in 2 years then increased slightly to 20% in 2015.